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Finding the Fourth Proportional to 583,295.20, 804,947.46 and 315,023.20

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Solution

The fourth proportional to 583,295.20, 804,947.46 and 315,023.20 is: 434,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,295.20 : 804,947.46 = 315,023.20 : x
  2. Step 2: Convert to fraction form
    583,295.20/804,947.46 = 315,023.20/x
  3. Step 3: Cross multiply
    583,295.20x = 804,947.46 × 315,023.20
  4. Step 4: Simplify right side
    583,295.20x = 253,577,124,681.07
  5. Step 5: Solve for x
    x = 253,577,124,681.07/583,295.20
  6. Step 6: Final answer
    x = 434,732.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.